virtual address


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virtual address

[′vər·chə·wəl ′ad‚res]
(computer science)
A symbol that can be used as a valid address part but does not necessarily designate an actual location.

virtual address

(architecture)
A memory location accessed by an application program in a system with virtual memory such that intervening hardware and/or software maps the virtual address to real (physical) memory. During the course of execution of an application, the same virtual address may be mapped to many different physical addresses as data and programs are paged out and paged in to other locations.

virtual address

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References in periodicals archive ?
The ability to utilize multiple virtual address spaces greatly simplifies debugging while enhancing safety, security, and testability," said John Carbone, vice president of marketing at Green Hills Software.
Z-Tel's residential unlimited calling plans are all enhanced by Z-Tel's award-winning Personal Voice Assistant(TM) (PVA), a voice-activated, virtual address book.
Since memory is a primary resource for scalable computing, increased physical and virtual address space allows vastly larger amounts of data to be processed more efficiently.
Personal Voice Assistant (PVA) is a voice-activated communication service that enables users to send voice email or voice dial their contacts, stored in a virtual address book, which they can access from any phone anywhere and navigate it using simple, spoken commands.
IPNET and IPLITE run seamlessly in an INTEGRITY-178B protected virtual address space.
The other is the ability for a user to create their very own privacy policy about how and when they want their virtual address shared with others -- if at all.
The AMD Opteron processors also include 64-bit-wide key data and address paths that incorporate a 48-bit virtual address space and a 40-bit physical address space, allowing end users to run their existing installed base of 32-bit applications and operating systems at peak performance, while providing a migration path that is 64-bit capable.
The AMD Opteron processors also include 64-bit wide key data and address paths that incorporate a 48-bit virtual address space and a 40-bit physical address space, allowing end users to run their existing installed base of 32-bit applications and operating systems at peak performance, while providing a migration path that is 64-bit capable.
The first level of protection in LynxOS-178 partitions or virtual machines is enabled by the processor's Memory Management Unit (MMU), which enforces strict memory allocation for individual partitions through the appropriate use of virtual address space management.
Employing a new memory management system, the VxWorks AE RTOS shifts the software execution paradigm from a single, flat physical address space into the realm of multiple, distinct virtual address spaces.
The transition of Liquid Machines security solutions to Intel Itanium 2 processor-based servers facilitates the processing of data-intensive applications, providing sizeable physical memory and virtual address requirements.
Tiaxa now also offers its users the ability to create a personalized virtual address book, or "buddy list," that automatically stores the name and mobile device number of every text message recipient.

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